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Arab Universities Journal of Agricultural Sciences
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Abdel-Raouf, M., Nasr, S., Aref, E., Aboutaleb, K. (2021). Biomass Production of Microalgae using Agricultural and Industrial Wastewater. Arab Universities Journal of Agricultural Sciences, 29(2), 595-609. doi: 10.21608/ajs.2021.81294.1393
Merihan Abdel-Raouf; Sohair Ahmed Nasr; Elham Aref; Khadiga Aboutaleb. "Biomass Production of Microalgae using Agricultural and Industrial Wastewater". Arab Universities Journal of Agricultural Sciences, 29, 2, 2021, 595-609. doi: 10.21608/ajs.2021.81294.1393
Abdel-Raouf, M., Nasr, S., Aref, E., Aboutaleb, K. (2021). 'Biomass Production of Microalgae using Agricultural and Industrial Wastewater', Arab Universities Journal of Agricultural Sciences, 29(2), pp. 595-609. doi: 10.21608/ajs.2021.81294.1393
Abdel-Raouf, M., Nasr, S., Aref, E., Aboutaleb, K. Biomass Production of Microalgae using Agricultural and Industrial Wastewater. Arab Universities Journal of Agricultural Sciences, 2021; 29(2): 595-609. doi: 10.21608/ajs.2021.81294.1393

Biomass Production of Microalgae using Agricultural and Industrial Wastewater

Article 8, Volume 29, Issue 2, August 2021, Page 595-609  XML PDF (997.06 K)
Document Type: Original Article
DOI: 10.21608/ajs.2021.81294.1393
Authors
Merihan Abdel-Raouf email orcid 1; Sohair Ahmed Nasr2; Elham Aref1; Khadiga Aboutaleborcid 3
1Agricultural Microbiology Research Department, Soil, Water and Environment Research Institute, Agriculture Research Center, Giza, Egypt
2Department of Agricultural Microbiology, Faculty of Agriculture, Ain Shams University, cairo, Egypt.
3Department of Agricultural Microbiology, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
Abstract
Growing wastewater microalgae contrib-utes to the elimination of nutrients present in wastewater because they need N and P for the synthesis of proteins, nucleic acid, and phos-pholipids. The most sustainable approach for achieving high biomass and high lipid build-up, along with environmental protection. In the current research, nine microalgae were culti-vated on two variations of wastewater (agricul-tural and industrial dyes) and compared to the synthetic medium. The results indicated that after three weeks of the incubation period, the ability of microalgae to grow in sterilized (syn-thetic medium and wastewater) and gave greater biomass and chlorophyll (a) than in non-sterilized ones. Out of the tested nine mi-croalgae, four microalgae (Anabaena oryzae, Spirulina platensis, Anabaena sp (2) and Nos-toc sp) were selected which gave the highest significant values of dry weight, biomass productivity and chlorophyll (a) content. The selected microalgae showed the highest signif-icant values of the chemical composition, i.e., total carbohydrate, protein and lipid when cul-tivated in agricultural wastewater more than those cultivated in both industrial dye’s wastewater and synthetic broth medium. Among four microalgae, two microalgae of A. oryzae HSSASE6 (KT277789), and S. platen-sis NIES-39 (A00800) were chosen where the chemical composition contents ranged from 1.17 to 1.21-fold and 1.03 to 1.06-fold of car-bohydrate, 1.06 to 1.09-fold and 1.88 to 1.93-fold of protein and 1.41 to 1.52-fold and 1.76 to 1.90-fold of lipid more than those of other microalgae, respectively. The agriculture wastewater was inoculated with a single cul-ture of A. oryzae HSSASE6 (KT277789) or S. platensis NIES-39 (A00800) individually with 10 % of inoculum size, which more preferred than was inoculated with consortia culture. Re-sults also showed that A. oryzae HSSASE6 (KT277789) was more efficient strain for giv-ing biomass and productivity in agricultural wastewater than S. platensis NIES-39 (A00800) (about 28% more).
Keywords
Biomass production; Microalgae; Cyanobacteria; Green algae; Agricultural wastewater; Industrial dyes wastewater
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